diff options
author | Tejun Heo <tj@kernel.org> | 2010-12-17 15:16:46 +0100 |
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committer | Tejun Heo <tj@kernel.org> | 2010-12-17 15:16:46 +0100 |
commit | 275c8b93288ef0c2281e414e069ea8ed4bad03f7 (patch) | |
tree | df906ef901d7719d66944921c7436f5db718dc2f /mm/mmap.c | |
parent | 909ea96468096b07fbb41aaf69be060d92bd9271 (diff) | |
parent | 8f1d97c79eb65de1d05799d6b81d79cd94169114 (diff) |
Merge branch 'this_cpu_ops' into for-2.6.38
Diffstat (limited to 'mm/mmap.c')
-rw-r--r-- | mm/mmap.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/mm/mmap.c b/mm/mmap.c index b179abb1474..50a4aa0255a 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -2462,6 +2462,7 @@ int install_special_mapping(struct mm_struct *mm, unsigned long addr, unsigned long len, unsigned long vm_flags, struct page **pages) { + int ret; struct vm_area_struct *vma; vma = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL); @@ -2479,16 +2480,23 @@ int install_special_mapping(struct mm_struct *mm, vma->vm_ops = &special_mapping_vmops; vma->vm_private_data = pages; - if (unlikely(insert_vm_struct(mm, vma))) { - kmem_cache_free(vm_area_cachep, vma); - return -ENOMEM; - } + ret = security_file_mmap(NULL, 0, 0, 0, vma->vm_start, 1); + if (ret) + goto out; + + ret = insert_vm_struct(mm, vma); + if (ret) + goto out; mm->total_vm += len >> PAGE_SHIFT; perf_event_mmap(vma); return 0; + +out: + kmem_cache_free(vm_area_cachep, vma); + return ret; } static DEFINE_MUTEX(mm_all_locks_mutex); |